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117 lines
2.3 KiB
117 lines
2.3 KiB
#include "pch.c"
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#pragma hdrstop
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#define WIDTH 256
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#define HEIGHT 256
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#define VERTICES 13
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static GLboolean edge_flags[VERTICES] =
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{
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GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE,
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GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE,
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GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE,
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GL_TRUE
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};
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static GLfloat tex_coords[VERTICES][2] =
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{
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0.0f, 0.0f,
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0.0f, 1.0f,
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1.0f, 1.0f,
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1.0f, 0.0f,
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0.0f, 0.0f,
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0.0f, 1.0f,
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1.0f, 1.0f,
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1.0f, 0.0f,
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0.0f, 0.0f,
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0.0f, 1.0f,
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1.0f, 1.0f,
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1.0f, 0.0f,
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1.0f, 0.0f
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};
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static GLfloat color_vals[VERTICES][3] =
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{
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1.0f, 0.0f, 0.0f,
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0.0f, 1.0f, 0.0f,
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0.0f, 0.0f, 1.0f,
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1.0f, 1.0f, 1.0f,
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1.0f, 0.0f, 0.0f,
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0.0f, 1.0f, 0.0f,
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0.0f, 0.0f, 1.0f,
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1.0f, 1.0f, 1.0f,
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1.0f, 0.0f, 0.0f,
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0.0f, 1.0f, 0.0f,
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0.0f, 0.0f, 1.0f,
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1.0f, 1.0f, 1.0f,
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1.0f, 1.0f, 1.0f
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};
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static GLint vertex_vals[VERTICES][2] =
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{
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0, 0,
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0, HEIGHT,
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WIDTH/2, HEIGHT,
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WIDTH/2, 0,
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WIDTH/4, HEIGHT/2,
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3*WIDTH/8, 0,
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WIDTH/8, 0,
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0, HEIGHT/4,
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0, 3*HEIGHT/4,
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WIDTH/8, HEIGHT,
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3*WIDTH/8, HEIGHT,
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WIDTH/2, HEIGHT/4,
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WIDTH/2, 3*HEIGHT/4
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};
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#define INDICES 12
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static GLint indices[INDICES] =
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{
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4, 5, 6,
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4, 7, 8,
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4, 9, 10,
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4, 11, 12
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};
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static void OglBounds(int *w, int *h)
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{
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*w = WIDTH;
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*h = HEIGHT;
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}
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static void OglDraw(int w, int h)
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{
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glLoadIdentity();
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glViewport(0, 0, w, h);
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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glOrtho(0, WIDTH, 0, HEIGHT, -1, 1);
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glMatrixMode(GL_MODELVIEW);
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glEdgeFlagPointer(0, edge_flags);
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glTexCoordPointer(2, GL_FLOAT, 0, tex_coords);
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glColorPointer(3, GL_FLOAT, 0, color_vals);
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glVertexPointer(2, GL_INT, 0, vertex_vals);
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glEnableClientState(GL_EDGE_FLAG_ARRAY);
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glEnableClientState(GL_TEXTURE_COORD_ARRAY);
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glEnableClientState(GL_COLOR_ARRAY);
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glEnableClientState(GL_VERTEX_ARRAY);
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glEnableClientState(GL_NORMAL_ARRAY);
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glDisableClientState(GL_NORMAL_ARRAY);
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glArrayElement(1);
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glDrawArrays(GL_POLYGON, 0, 4);
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glTranslated(WIDTH/2, 0, 0);
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glDisableClientState(GL_COLOR_ARRAY);
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glDrawElements(GL_TRIANGLES, INDICES, GL_UNSIGNED_INT, indices);
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}
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OglModule oglmod_varray =
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{
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"varray",
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NULL,
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OglBounds,
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NULL,
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OglDraw
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};
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